170915-N-SH284-017 KEYPORT, Wash. (September 15, 2017) Members of

Download this stock image: 170915-N-SH284-017 KEYPORT, Wash. (September 15, 2017) Members of the Bathyscaphe Trieste Alumni Association pose for a photo in front of the Trieste II, during their bi-annual reunion outside of the Naval Undersea Museum-Keyport. Trieste is the only manned submarine ever to explore the deepest part of the ocean, the Challenger Deep in the Marianas Trench. Trieste II, the first deep submergence vehicle built by the U.S. Navy, following its acquisition of the original Trieste bathyscaphe, is permanently on display outside of the museum. (U.S. Navy photo by Mass Communication Specialist 2nd Clas - MM95B6 from Alamy's library of millions of high resolution stock photos, illustrations and vectors.

541 Keyport Image: PICRYL - Public Domain Media Search Engine

541 Keyport Image: PICRYL - Public Domain Media Search Engine

The marianas trench hi-res stock photography and images - Alamy

Marianas trench ocean hi-res stock photography and images - Alamy

541 Keyport Image: PICRYL - Public Domain Media Search Engine

Submarine crew members hi-res stock photography and images - Page

541 Keyport Image: PICRYL - Public Domain Media Search Engine

Deepest trench hi-res stock photography and images - Page 2 - Alamy

170825-N-VH385-030 KEYPORT, Wash. (August 25, 2017) - PICRYL

160917-N-SH284-074 KEYPORT, Wash. (Sept. 17, 2016) - NARA & DVIDS

The marianas trench hi-res stock photography and images - Alamy

541 Keyport Image: PICRYL - Public Domain Media Search Engine

170915-N-SH284-087 KEYPORT, Wash. (September 15, 2017) - PICRYL

2017, Homeport Northwest